How to mend ... Water Central Heating Fault

No hot water except when rads are on?

Unless we have the central heating switched on, we cannot get any hot water on our Ravenheat RSF 820/20T. Wha... [Read more]

How can I diagnose my Glow worm Fuelsaver F100 boiler problem?

My ageing, but until now perfectly reliable, Glow worm wall mounted central heating boiler appears to have dev... [Read more]

baxi 105e not changing over to central heating?

boiler appears to be stuck on hot water even though central heating his selected and time clock and thermostat... [Read more]

central heating problem?

the only way i can get radiators in the sitting room and hall to work is i have to turn off the radiators off ... [Read more]

baxi 105e just cuts out intermitantly?

i have a baxi 105e combi boiler. it cuts out with the flame failure light flashing .replaced both flame senso... [Read more]

My Potterton Prima F60 boiler keeps firing?

My potterton prima F60 boiler keeps firing when programming unit indicates both hot water and central heating ... [Read more]

i have a vaillant 837e boiler which indicates f24 in the display panel?

my vaillant 837e stops heating water and central heating once or twice a day,when it does this fault code f24 ... [Read more]

Ravenheat CSI 85 Boilern fault?

The only way I can get my central heating to work is if I switch the boiler of at the mains leave for an hour ... [Read more]

Jaguar 28 Boiler?

I have a problem with the central heating on my boiler - Jaguar 28. The hot water runs fine but nothing happen... [Read more]

no hot water protherm 80?

protherm 80 boiler intermittent fault on hot water, sometimes fires up fine and sometimes doesn't fire up wh... [Read more]

Vaillant Turbomax Plus 824E fault F1?

Hi, My Vaillant Turbomax Plus 824E combi boiler is showing an "F 1" fault. I have no hot water or central he... [Read more]

Ferroli Optimax HE31c - What is fault code F12?

Ferroli say there is no such fault code, either I'm going blind and the manual just leaps for fun from F11 to ... [Read more]

How can i fix my Ideal HE boiler?

My boiler goes through its start up sequence then goes off after a while with HE flashing on the display,the c... [Read more]

Why doesn't my worcester 350 give hot water?

I have a worcester 350 combi boiler and programmer. It recently decided to stop delivering hot water. When a h... [Read more]

Worcester 24i - Cold Radiators!!!?

Hello I am having problems with my central heating system. Basically the radiators are cold even when the hea... [Read more]

Worcester bosch CDI Hot water fault!?

The central heating works ok. When you demand for hot water the burner keep going on and off like every 10 sec... [Read more]

Potterton Prima F50 startup problem?

initially the boiler doesn't fire up when instructed to by the timer. You can hear what sound's like a fan whi... [Read more]

Vokera 12_24 RSE Mynute Central Heating Boiler Burner keeps going out?

I have a Vokera 12-24 RSE Mynute Heating Boiler(Direct System)When the room thermostat calls for heat the pump... [Read more]

loss of water in the c.h.circuit?

I have had a baxi bahama in my bungalow now for around 4 years and have a fault with the central heating side ... [Read more]

Overheat cut out worcester 9.24 electronic boiler?

Had no central heating but hot water ok, boiler shuts down after 2 mins, found (eventualy) that the thermocoup... [Read more]